The one certainty about water in the Bay Area — and California — is change. From a multiyear drought to flooding in just a few short months, the devastating effects of both scarcity and over-abundance mean that we must use…

The only way for the Bay Area to become a relatively affordable place to live again is for cities and counties to be more tolerant of different types of housing, according to the draft of a new regional plan. This could include a requirement that at least 10 percent of new units across the region be affordable and requiring fewer parking spaces…

The rich agricultural lands that surround Bay Area cities make up the Bay Area greenbelt, a landscape that owes its existence to decades of conservation efforts. A report released Tuesday by the Greenbelt Alliance, a group dedicated to the protection of these lands, finds that an area almost 10 times the size of San Francisco could be developed in a generation…